Patent Assignment
Reel/Frame 074148/0032
Security Interest
Recorded: 2025-12-31
Pages: 15
Assignor
O2 MICRO, INC.
Executed: 2025-12-23
Assignee
MADISON PACIFIC TRUST LIMITED, AS NEW SECURITY AGENT
9 RAFFLES PLACE, #26-21 REPUBLIC PLAZA, SINAPORE, 048619, SINGAPORE
Covered Properties
(112)
Open Cell Detection Method and Open Cell Recovery Detection Method in a Battery Management System
Predicting a Potential Fault in a Battery
Battery Management Systems and Methods, and Open Cell Detection Systems
Controller and Battery Management Methods
Battery Management Controllers Capable of Determining Estimate of State of Charge
Protecting a Battery in a Battery Pack
Controller and Method for Detecting Battery Cell Voltage
Detecting Whether a Battery Management System Is Abnormal
Controller for Controlling a Resonant Converter
Battery Monitoring Circuits
Application:
18/072,386 →
Publication:
US 2024/0175924
Controller for Controlling a Light Source Module
Power Management for Digital Devices
Patent:
7,808,548 →
Application:
11/026,801 →
Systems and Methods for Cell Balancing
Charge Pump Systems with Adjustable Frequency Control
Monitoring and Control Circuit for Adjusting Current
Charging Systems That Control Power Dissipation in a Charging Path
Systems and Methods for Determining Battery Capacity Level
Circuits and Methods for Protection of Battery Modules
Battery Pack with a Battery Protection Circuit
Intelligent Bus Address Self-Configuration in a Multi-Module System
Assigning Addresses to Multiple Cascade Battery Modules in Electric or Electric Hybrid Vehicles
Controllers for Dc to Dc Converters
Power Topology with Battery Charging and Discharge Current Protection Capabilities
Circuits and Methods for Driving Light Sources
Signal Monitoring Systems
Circuits and Methods for Controlling a Charge Pump System
Circuit and Method for Balancing Battery Cells
Controllers, Systems and Methods for Implementing Multi-Phase Control
Methods for Fabricating Transistors Including One or More Circular Trenches
Controllers for Controlling Output Signals of Power Converters
Systems and Methods for Cell Balancing
Circuits and Methods for Controlling a Dc/Dc Converter
Battery Temperature Detection and Parasitic Resistance Compensation System
Battery Pack with Balancing Management
Circuits and Methods for Powering Light Sources
Systems and Methods for Battery Status Indication
Systems and Methods for Balancing Battery Cells
Circuit and Method for Providing a Reference Signal
Data Transfer Systems with Power Management
Circuit and Method for Cell Balancing
Detecting Status of an Application Program Running in a Device
A Power Regulator for Converting an Input Voltage to an Output Voltage
Circuits and Methos for Battery Charging
Battery Management System with Energy Balance Among Multiple Battery Cells
Circuits and Methods for Current Sensing
Detection Circuits for Batteries
One-Wire Communication Circuit and One-Wire Communication Method
Flexible Bus Architecture for Monitoring and Control of Battery Pack
Method and System for Calibrating Battery Pack Voltage Based on Common-Mode Calibration Parameter and Differential-Mode Calibration Parameter
Circuits and Methods for Measuring a Cell Voltage in a Battery
Power Management for Electric Vehicles
Circuits and Methods for Driving a Light Source
Power Management Systems
Systems and Methods for Cell Balancing
Apparatus and Method for Detecting Battery Abnormality and Cause Thereof
Battery Management System
System and Methods for Battery Balancing
Power Management Systems with Charge Pumps
Power Transfer Devices
System and Methods for Protection of Batter Modules
Systems and Methods for Identifying and Monitoring a Battery Charger
Method and Apparatus for Controlling an Electrical Device and a Wireless Charging Device
Systems and Methods for Balancing Battery Cells
One-Wire Communication Circuit and One-Wire Communication Method
Full-Bridge Switching Dc/Dc Converters and Controllers Thereof
Device, System and Method for Bi-Phase Modulation Decoding
Patent:
9,112,763 →
Application:
14/322,103 →
Dc to Dc Converters and Controllers Thereof
System and Methods for Current Balancing
Power Converters
Coulomb Counting Using Analog-to-Frequency Conversion
Controllers for Dc/Dc Converter
Power Transfer Systems
Circuits for Driving Light Sources
Integrated Device Having Multiple Transistors
Circuits for Driving Light Sources
Illumination Lamp and Illumination Device Configured for Rapid-Start Method
Driving Circuits and Methods for Controlling Light Source
Switching Power Supplies, and Switch Controllers for Switching Power Supplies
Light Source Driving Circuits and Light Source Module
Systems and Methods for Battery Balancing
Systems and Methods for Conpensating Current in a Battery Module
System and Method for Charging a Battery Pack
Modules, Systems, and Methods for Battery Balancing
System and Method for Driving Light Source Comprising Voltage Feedback Circuit and Current Feedback Circuit
Dual Input Power Management Method and System
Dc to Dc Converters and Controllers Thereof
Charge/Discharge Switch Control Circuits for Batteries
Power Converters
Controlling Power Delivery to a Battery
Systems and Methods for Controlling Battery Current
Systems and Methods for Configuring Parameters for Charging a Battery Pack
Patent:
10,553,915 →
Application:
15/881,573 →
Systems and Methods for Managing a Battery Pack
Devices with Battery Remaining Capacity Estimating Functions
Open Cell Detection Method and Open Cell Recovery Detection Method in a Battery Management System
Fault Detection for Battery Management Systems
Calculating a Remaining Capacity of a Battery
Balance Circuits for Battery Cells
Battery Protection Systems
Controller, Light Source Driving Circuit and Method for Controlling Light Source Module
Systems and Methods for Controlling Battery Current
Predicting a Potential Fault in a Battery
Controller for Controlling Light Source Module
Battery Protection Systems
Charge/Discharge Switch Control Circuits for Batteries
Controller and Battery Management Methods
Managing Power in a Portable Device Comprising Multiple Batteries
Controllers, Systems, and Methods for Driving a Light Source
Open Cell Detection Systems and Methods
Systems and Methods for Controlling Battery Current
Controllers, Charging Cables, and Systems and Methods for Identifying Types of Charging Cables
Systems and Mehtods for Managing a Battery Pack
Fault Detection for Battery Management Systems
Related Assignments
(17)
Other recorded transfers of the patents in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 14, 2005
From: POPESCU, VLAD; LIU, LIUSHENG; LAM, JAMES; DENNING, BRUCE S.
To: O2MICRO INC,
Reel/Frame 015683/0122 →
Assignment of Assignor's Interest
Oct 15, 2007
From: LUPU, FLAVIUS; BUCUR, CONSTATIN; ZENG, XIAOJUN; SHENG, KAIYI
To: O2MICRO INC.
Reel/Frame 020014/0169 →
Assignment of Assignor's Interest
Nov 17, 2008
From: LIU, QUANWANG; LI, GUOXING; LIU, SHIQIANG
To: O2MICRO INC.
Reel/Frame 021914/0525 →
Assignment of Assignor's Interest
Dec 15, 2008
From: GOH, JIUN HENG; LUPU, FLAVIUS
To: O2MICRO INC.
Reel/Frame 022058/0614 →
Assignment of Assignor's Interest
May 12, 2009
From: BUCUR, CONSTANTIN
To: O2MICRO, INC.
Reel/Frame 022670/0747 →
Assignment of Assignor's Interest
Sep 30, 2009
From: ZHANG, WEI
To: O2MICRO, INC.
Reel/Frame 023303/0951 →
Assignment of Assignor's Interest
Oct 21, 2009
From: LI, GUOXING; DONG, XIN
To: O2MICRO, INC.
Reel/Frame 023402/0900 →
Assignment of Assignor's Interest
Jun 9, 2015
From: GUO, GUOYONG; YANG, SHIQIANG; YANG, ZHANPENG
To: O2MICRO INC.
Reel/Frame 035811/0811 →
Assignment of Assignor's Interest
Feb 22, 2021
From: CHOU, CHIH-CHUNG; LI, GUOXING; WANG, HUA-YI; SHIEH, FU-JEN
To: O2MICRO INC.
Reel/Frame 055360/0515 →
Assignment of Assignor's Interest
Mar 17, 2021
From: LI, GUOXING; ZENG, XIAOJUN; ZHANG, YINGGUO
To: O2MICRO INC.
Reel/Frame 055629/0623 →
Assignment of Assignor's Interest
May 6, 2021
From: HU, RONG; LIN, YUNG-LIN; FUJITA, NAOYUKI
To: O2MICRO INC.
Reel/Frame 056161/0601 →
Assignment of Assignor's Interest
Jul 6, 2021
From: LI, YAN; LIU, HUI; LI, GUOXING
To: O2MICRO, INC.
Reel/Frame 056766/0910 →
Assignment of Assignor's Interest
Sep 9, 2021
From: ZHANG, DEMAN; MENG, YALEI
To: O2MICRO INC.
Reel/Frame 057454/0874 →
Assignment of Assignor's Interest
Nov 3, 2021
From: KUO, CHING-CHUAN; WU, SIN-YAN; LEE, SHENG-TAI; LIN, YUNG-LIN
To: O2MICRO INC.
Reel/Frame 058012/0432 →
Ip Security Agreement Supplement
Jul 12, 2023
From: O2 MICRO, INC.
To: CREDIT SUISSE AG, SINGAPORE BRANCH, AS SECURITY AGENT
Reel/Frame 064259/0696 →
Change of Name
Aug 22, 2024
From: CREDIT SUISSE AG, SINGAPORE BRANCH. AS SECURITY AGENT
To: UBS AG, SINGAPORE BRANCH, AS SECURITY AGENT
Reel/Frame 069242/0457 →
Assignment of Assignor's Interest
Mar 24, 2025
From: LI, GUOXING; LI, YAN
To: O2MICRO INC.
Reel/Frame 070601/0539 →